Base | Representation |
---|---|
bin | 11000101100000011… |
… | …01011111000101110 |
3 | 1021012201120110000100 |
4 | 30112001223320232 |
5 | 204121114130132 |
6 | 10031120411530 |
7 | 646312621425 |
oct | 142601537056 |
9 | 37181513010 |
10 | 13254442542 |
11 | 5691872950 |
12 | 269aa76ba6 |
13 | 133300b513 |
14 | 8da4802bc |
15 | 52896237c |
hex | 31606be2e |
13254442542 has 24 divisors (see below), whose sum is σ = 31328682840. Its totient is φ = 4016497680.
The previous prime is 13254442529. The next prime is 13254442543. The reversal of 13254442542 is 24524445231.
13254442542 is a `hidden beast` number, since 1 + 32 + 5 + 44 + 42 + 542 = 666.
13254442542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 13254442497 and 13254442506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13254442543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33470617 + ... + 33471012.
It is an arithmetic number, because the mean of its divisors is an integer number (1305361785).
Almost surely, 213254442542 is an apocalyptic number.
13254442542 is an abundant number, since it is smaller than the sum of its proper divisors (18074240298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13254442542 is a wasteful number, since it uses less digits than its factorization.
13254442542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66941648 (or 66941645 counting only the distinct ones).
The product of its digits is 153600, while the sum is 36.
Adding to 13254442542 its reverse (24524445231), we get a palindrome (37778887773).
The spelling of 13254442542 in words is "thirteen billion, two hundred fifty-four million, four hundred forty-two thousand, five hundred forty-two".
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